Patented Precast Shaves Costs on Korean Highway | ENR.
ENR Construction
JULY 31, 2012
Freyssinet’s $30-million subcontract entails building the tunnel in an open trench. In that case, while being backfilled by a local contractor, a 30-m-long section of the 320-m precast arch tunnel collapsed but caused no injuries. Photo Contest Archives. Slideshows. Reader Photos. Book Reviews. Information Technology.
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